# Millie vs Groundswell: which do AI models recommend for giving & volunteering, October 2026

HR AI Recommendation Index, October 2026 Edition, Employee giving and volunteering. Four of fourteen models named Millie first on the direct prompt; three named Groundswell. Page: https://hr-ai-index.com/experience/employee-giving-and-volunteering/millie-vs-groundswell/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Millie | 22% | #1 of 10 | 3% | 33 | 13 of 14 |
| Groundswell | 7% | #5 of 10 | 5% | 20 | 11 of 14 |

## The direct prompt, model by model

- DeepSeek V4 Flash: both first (first choices: Groundswell, Millie) (alternatives: Bright Funds, OnHand, Selflessly, Uncommon Giving)
- Kimi K2: both first (first choices: Groundswell, Millie) (alternatives: Alaya, OnHand, YourCause)
- Perplexity Sonar: millie first (first choices: Millie) (alternatives: Percent Pledge, Uncommon Giving)
- Grok 4.1 Fast: millie first (first choices: Millie) (alternatives: Goodera, Selflessly, Uncommon Giving)
- Gemini 3.5 Flash: groundswell first (first choices: Groundswell) (alternatives: Bright Funds, Deed, Millie, Uncommon Giving)
- Claude Haiku 4.5: neither first, one named (first choices: Uncommon Giving) (alternatives: Bright Funds, Groundswell, Millie)
- MiniMax M2.5: neither first, one named (first choices: Bright Funds, Uncommon Giving) (alternatives: Millie, OnHand)
- GPT-6 Luna: neither first, one named (first choices: Selflessly) (alternatives: Benevity Enterprise Impact Platform, Millie, YourCause)
- GPT-5.4 mini: neither named (first choices: Bonterra) (alternatives: Benevity Enterprise Impact Platform)
- Mistral Small: neither named (first choices: Bright Funds) (alternatives: Uncommon Giving, VolunteerLocal)
- Llama 4 Maverick: neither named (first choices: Bright Funds) (alternatives: Guideflow, Uncommon Giving)
- Qwen 3.7 Flash: neither named (first choices: Benevity Enterprise Impact Platform, Social Cues) (alternatives: Goodchange, Salesforce Nonprofit Cloud)
- GLM 4.7 FlashX: neither named (first choices: Bright Funds) (alternatives: Uncommon Giving)
- Muse Glimmer 30B: neither named (first choices: Bright Funds, Uncommon Giving)

## What the models said about Millie

- "its volunteering component is relatively basic and may not meet the needs of organizations seeking robust volunteer management" (Mistral Small, negative prompt, soft negative)
- "I'd suggest starting with Millie if you're already on Slack, as it's designed specifically for smaller businesses with cost in mind" (MiniMax M2.5, budget prompt, first choice)
- "look into modern, employee-experience-first platforms such as Deed, Groundswell, Uncommon Giving, or Millie" (Gemini 3.5 Flash, negative prompt, first choice)
- "If you want the single best default choice, I'd start with Millie for a mid-market B2B company" (Perplexity Sonar, direct prompt, first choice)

## What the models said about Groundswell

- "Platforms like Groundswell or Selflessly (~$2–$4.50+/user/month or $4,500+/year) add giving but exceed tight budgets." (Grok 4.1 Fast, budget prompt, soft negative)
- "Groundswell: A modern, mobile-first platform built specifically to make enterprise-grade giving and DAFs accessible to mid-market companies. Very low administrative burden." (Gemini 3.5 Flash, scale prompt, first choice)
- "look into modern, employee-experience-first platforms such as Deed, Groundswell, Uncommon Giving, or Millie" (Gemini 3.5 Flash, negative prompt, first choice)
- "positioned specifically as a Benevity alternative, addressing fragmentation and disbursement concerns" (DeepSeek V4 Flash, negative prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.